4 ms·

The two blocks of code are exactly equivalent, the "if != null" logic is moved into the <-.

• dullgiulio 9y ago
  And the first snipped is purposely badly written. One can use early returns to make code flat just like the monadic example.
  • mclehman 9y ago
    Sure, you can flatten that example, but I'd still be interested in losing the explicit and repetitive null checks.
    • andrewprock 9y ago
      In the old days, we used #define macros to do that.